Multiple Choice
In the history of cell biology, which set correctly lists the three classical tenets of cell theory?
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1. Overview of Cell Biology
History of Cell Biology
Multiple Choice
In the history of cell biology, what key contribution did Rudolf Virchow make to the cell theory?
A
He proposed that all cells arise from pre-existing cells ("Omnis cellula e cellula").
B
He developed the first widely accepted model of the fluid mosaic structure of the plasma membrane.
C
He first observed and named "cells" in cork using a light microscope.
D
He concluded that plants are composed of cells and that the cell is the basic unit of plant structure.
Verified step by step guidance1
Understand the context of the question: it asks about Rudolf Virchow's key contribution to cell theory, which is a fundamental concept in cell biology.
Recall the historical development of cell theory, which includes contributions from several scientists such as Robert Hooke, Matthias Schleiden, Theodor Schwann, and Rudolf Virchow.
Identify that Robert Hooke was the first to observe and name 'cells' in cork, so this option is not Virchow's contribution.
Recognize that the fluid mosaic model of the plasma membrane was developed much later by Singer and Nicolson, so this is unrelated to Virchow.
Focus on Virchow's famous statement 'Omnis cellula e cellula,' meaning all cells arise from pre-existing cells, which was a key addition to cell theory emphasizing cell division and continuity.
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